[INFO] cloning repository https://github.com/danicampa90/helmod-graphviz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danicampa90/helmod-graphviz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanicampa90%2Fhelmod-graphviz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanicampa90%2Fhelmod-graphviz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6281d43581d2d33b6e2d911e111f96e6e0a55687
[INFO] documenting danicampa90/helmod-graphviz against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanicampa90%2Fhelmod-graphviz" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danicampa90/helmod-graphviz on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danicampa90/helmod-graphviz
[INFO] finished tweaking git repo https://github.com/danicampa90/helmod-graphviz
[INFO] tweaked toml for git repo https://github.com/danicampa90/helmod-graphviz written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/danicampa90/helmod-graphviz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54e7f8fcd0ab0c613d4f7283a303f9b18a45f159ab75ed3722cde50cdfe6e23b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54e7f8fcd0ab0c613d4f7283a303f9b18a45f159ab75ed3722cde50cdfe6e23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e7f8fcd0ab0c613d4f7283a303f9b18a45f159ab75ed3722cde50cdfe6e23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e7f8fcd0ab0c613d4f7283a303f9b18a45f159ab75ed3722cde50cdfe6e23b", kill_on_drop: false }`
[INFO] [stdout] 54e7f8fcd0ab0c613d4f7283a303f9b18a45f159ab75ed3722cde50cdfe6e23b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0751f5cebc05909c7c27ebdde2f15137c0ae73f7a7bd9f72db60980e4a2de6e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0751f5cebc05909c7c27ebdde2f15137c0ae73f7a7bd9f72db60980e4a2de6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lalrpop-util v0.17.2
[INFO] [stderr]     Checking libc v0.2.66
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking ryu v1.0.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling helmod-planner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting helmod-planner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-bace91a0ae14345d/out/grammar.rs:3561:5
[INFO] [stdout]      |
[INFO] [stdout] 3561 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-bace91a0ae14345d/out/grammar.rs:3572:5
[INFO] [stdout]      |
[INFO] [stdout] 3572 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-bace91a0ae14345d/out/grammar.rs:3680:5
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-bace91a0ae14345d/out/grammar.rs:3817:5
[INFO] [stdout]      |
[INFO] [stdout] 3817 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-bace91a0ae14345d/out/grammar.rs:3875:5
[INFO] [stdout]      |
[INFO] [stdout] 3875 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/dot_writer.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             match (recipes.get_recipe(&prod_recipe.name)) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/recipes.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |             if (nodes.is_object() && nodes.as_object().unwrap().len() == 0) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |             match (recipes_result) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "a0751f5cebc05909c7c27ebdde2f15137c0ae73f7a7bd9f72db60980e4a2de6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0751f5cebc05909c7c27ebdde2f15137c0ae73f7a7bd9f72db60980e4a2de6e", kill_on_drop: false }`
[INFO] [stdout] a0751f5cebc05909c7c27ebdde2f15137c0ae73f7a7bd9f72db60980e4a2de6e